2 years ago

What is x in 2x − 3 + 4x = 21

Mathematics

2 answers:

Serggg [28]2 years ago

7 0

Answer: x = 4

Step-by-step explanation:

2x - 3 + 4x = 21

6x - 3 = 21

6x - 3 (+3) = 21 (+3)

6x = 24

24/6

x = 4

rosijanka [135]2 years ago

5 0

So first to rearrange the question so like terms are together

2x + 4x = 21 - 3

Then simplify

6x = 18

Then divide 6 to both sides to find x

X=3

Hope this helps!

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